% cau_hoi(X,[kich, thuoc, tu, lanh, sharp, SJ16VSL],[]).
% TH : tu_hoi
% DT : doi_tuong
% SX : hang san xuat
% MS : ma san pham
% TT : tro tu

cau_hoi(cau_hoi(TH, DT, SX, MS))-->tu_hoi(TH),doi_tuong(DT),hang_san_xuat(SX),ma_san_pham(MS).
tu_hoi(tu_hoi(kich,thuoc))-->[kich,thuoc].
doi_tuong(doi_tuong(tu,lanh))-->[tu,lanh].
hang_san_xuat(hang_san_xuat(S))-->[S].
ma_san_pham(ma_san_pham(M))-->[M].